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How to configure php.ini on AWS EC2 Cloud9?

Introduction

Migration from Cloud9 to AWS Cloud9 was not easy. On cloud9, Apache was installed and configured by default. On AWS, Apache is not properly configured, Once Apache is installed and configure, you sometime need to configure the php.ini file. This page explains how to make the file edition simple from the Cloud9 editor.

The following has been tested on a freshly AWS EC2 Cloud9 environment with the following versions:

Locate your php.ini

The problem with the default Apache configuration on AWS Cloud9 is that the php.ini file is not at the root of your working directory (/home/ubuntu/environment). You can configure Apache to change the default location of the php.ini file, but I prefere creating a symbolic link and keeping the default apache configuration.

The php.ini file should be located at /etc/php/7.2/apache2/php.ini . If you can't find the file, search for it with the following commands (the first one may be quite long):

sudo updatedb
locate php.ini

Create a symbolic link

First, check there is not already a php.ini file at the root of your working environment. If a file already exists, delete or backup the file:

mv php.ini backup_php.ini

Once the php.ini file is located, create a symbolic link from the file to the root of your working environment. In the following, we'll assume the file is located at /etc/php/7.2/apache2/php.ini: (/en/aws-cloud9/how-to-run-apache-on-aws-ec2-cloud9-server/)

ln -s /etc/php/7.2/apache2/php.ini /home/ubuntu/environment 

Permissions

You can now edit the file, but you can't save it because the editor does not have suffisant rights. Change the php.ini file rights :

sudo chmod 666 /etc/php/7.2/apache2/php.ini

You can now edit and save the file at the root of your working environment, it will update you PHP configuration.

After updating your php.ini file, do not forget to restart your Apache server:

sudo service apache2 restart

See also


Last update : 06/30/2019